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-rw-r--r--ChangeLog5
-rw-r--r--libio/fileops.c2
-rw-r--r--stdio-common/tst-fseek.c63
3 files changed, 69 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 23f5813287..0cd1271d5c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2002-02-21 Jakub Jelinek <jakub@redhat.com>
+
+ * libio/fileops.c (_IO_file_seekoff_mmap): Fix fseek SEEK_END.
+ * stdio-common/tst-fseek.c (main): Add test for this.
+
2002-02-19 Ulrich Drepper <drepper@redhat.com.>
* stdlib/Versions: Move __on_exit to GLIBC_PRIVATE.
diff --git a/libio/fileops.c b/libio/fileops.c
index 37c47eef89..0d02fca93e 100644
--- a/libio/fileops.c
+++ b/libio/fileops.c
@@ -880,7 +880,7 @@ _IO_file_seekoff_mmap (fp, offset, dir, mode)
case _IO_seek_set:
break;
case _IO_seek_end:
- offset = fp->_IO_read_end - fp->_IO_read_base + offset;
+ offset += fp->_IO_buf_end - fp->_IO_buf_base;
break;
}
/* At this point, dir==_IO_seek_set. */
diff --git a/stdio-common/tst-fseek.c b/stdio-common/tst-fseek.c
index 79eef97b62..243dcd35a7 100644
--- a/stdio-common/tst-fseek.c
+++ b/stdio-common/tst-fseek.c
@@ -419,6 +419,69 @@ main (void)
result = 1;
}
+ fclose (fp);
+
+#ifdef USE_IN_LIBIO
+ fp = fopen (fname, "r");
+ if (fp == NULL)
+ {
+ puts ("fopen() failed\n");
+ result = 1;
+ }
+ else if (fstat64 (fileno (fp), &st1) < 0)
+ {
+ puts ("fstat64() before fseeko() failed\n");
+ result = 1;
+ }
+ else if (fseeko (fp, 0, SEEK_END) != 0)
+ {
+ puts ("fseeko(fp, 0, SEEK_END) failed");
+ result = 1;
+ }
+ else if (ftello (fp) != st1.st_size)
+ {
+ printf ("fstat64 st_size %zd ftello %zd\n", st1.st_size,
+ ftello (fp));
+ result = 1;
+ }
+ else
+ puts ("SEEK_END works");
+ if (fp != NULL)
+ fclose (fp);
+
+ fp = fopen (fname, "r");
+ if (fp == NULL)
+ {
+ puts ("fopen() failed\n");
+ result = 1;
+ }
+ else if (fstat64 (fileno (fp), &st1) < 0)
+ {
+ puts ("fstat64() before fgetc() failed\n");
+ result = 1;
+ }
+ else if (fgetc (fp) == EOF)
+ {
+ puts ("fgetc() before fseeko() failed\n");
+ result = 1;
+ }
+ else if (fseeko (fp, 0, SEEK_END) != 0)
+ {
+ puts ("fseeko(fp, 0, SEEK_END) failed");
+ result = 1;
+ }
+ else if (ftello (fp) != st1.st_size)
+ {
+ printf ("fstat64 st_size %zd ftello %zd\n", st1.st_size,
+ ftello (fp));
+ result = 1;
+ }
+ else
+ puts ("SEEK_END works");
+ if (fp != NULL)
+ fclose (fp);
+#endif
+
out:
unlink (fname);